TY  - BOOK
AU  - Harbottle,Horace Reginald
AU  - Hanman,Bernard Leslie George
TI  - The principles of telecommunications engineering,
T2  - General technical series
AV  - TK5101 .H287
PY  - 1957///-
CY  - London
PB  - English Universities Press
KW  - Telecommunication
ER  -